Home / 360,121.52-496,971.51-198,972.56

Finding the Fourth Proportional to 360,121.52, 496,971.51 and 198,972.56

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Solution

The fourth proportional to 360,121.52, 496,971.51 and 198,972.56 is: 274,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,121.52 : 496,971.51 = 198,972.56 : x
  2. Step 2: Convert to fraction form
    360,121.52/496,971.51 = 198,972.56/x
  3. Step 3: Cross multiply
    360,121.52x = 496,971.51 × 198,972.56
  4. Step 4: Simplify right side
    360,121.52x = 98,883,693,591.77
  5. Step 5: Solve for x
    x = 98,883,693,591.77/360,121.52
  6. Step 6: Final answer
    x = 274,584.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.